309000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{103}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 973440

約数和(自身を除く): 664440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 103, 120, 125, 150, 200, 206, 250, 300, 309, 375, 412, 500, 515, 600, 618, 750, 824, 1000, 1030, 1236, 1500, 1545, 2060, 2472, 2575, 3000, 3090, 4120, 5150, 6180, 7725, 10300, 12360, 12875, 15450, 20600, 25750, 30900, 38625, 51500, 61800, 77250, 103000, 154500, 309000]

約数ペア:

[(1, 309000), (2, 154500), (3, 103000), (4, 77250), (5, 61800), (6, 51500), (8, 38625), (10, 30900), (12, 25750), (15, 20600), (20, 15450), (24, 12875), (25, 12360), (30, 10300), (40, 7725), (50, 6180), (60, 5150), (75, 4120), (100, 3090), (103, 3000), (120, 2575), (125, 2472), (150, 2060), (200, 1545), (206, 1500), (250, 1236), (300, 1030), (309, 1000), (375, 824), (412, 750), (500, 618), (515, 600)]